* {
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: '幼圆';
}

#box,
#box1 {
  position: absolute;
  left: 200px;
  top: 200px;
  width: 200px;
  border: 1px solid #DCDFE6;
  height: 200px;
  background-color: #409EFF;
  text-align: center;
  line-height: 200px;
  -webkit-user-select: none;
  color: white;
  /* Chrome all / Safari all /opera15+*/
  -moz-user-select: none;
  /* Firefox all */
  -ms-user-select: none;
  /* IE 10+ */
  user-select: none;
  font-size: 34px;
  cursor: pointer;
  transition: all .2s;
  border-radius: 6px;
}

#box1 {
  background: #F56C6C;
}

#box:hover,
#box1:hover {
  opacity: .8;
}